23 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... : • HIV • Recent ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... : • HIV • Recent ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Antibiotics: - IV ... Carbapenems - IV ... westermani • Other: TB ... #differential #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... macrophages in HIV ... low if you have HIV ... factor • May cause ... infiltrates, mimicking TB
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
(IRIS): • In HIV ... Abscess: • More bacilli ... with pulmonary TB ... neurological symptoms • Caused ... #differential #TB
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... : TB, fungal infection ... , HIV, adrenoleukodystrophy ... Insufficiency: Long-term ... pituitary tumor, TB
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... - Case 4 Main ... periphery of two lungs ... radiologiatoracica #COVID19 #SARSCoV2 ... #CTChest #Clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... • Infection: TB ... in the adjacent lung ... of the affected lung ... , CCP, ANCA • HIV
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... CD4 < 200: CMV, HSV ... failure, COPD, Lung ... /- High res CT chest ... Fungal, AFB), TB
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... mucogenicum • HIV ... Kansasii: • Mimics TB ... Advanced HIV (CD4 ... • Dyspnea, • Chest